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He also refused to rule out clinging on to his job even if Labour is hammered at the polls.

Early surveys have suggested Labour is around 24 points behind the Tories.

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Corbyn has refused to rule out clinging on to his job

The party’s political broadcast which aired on the BBC, was last might criticised as “vomit-inducing” and attracted ridicule on social media.

The advert, which portrayed a teacher explaining to her class that they could not visit the local library because it had been closed by cuts to funding, was rubbished by viewers as “cringeworthy” and “tragic”.